326 lines
10 KiB
C#
326 lines
10 KiB
C#
using System;
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using System.Collections;
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using System.Runtime.InteropServices;
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using System.Drawing;
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using System.ComponentModel;
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using System.Windows.Forms;
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using System.Reflection;
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using System.Runtime.CompilerServices;
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using System.Data;
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using System.Net;
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using System.IO;
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using System.IO.Ports;
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using System.Collections.Generic;
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using System.Text;
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using System.Threading;
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namespace SyUpLoad
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{
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partial class PartLoad
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{
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/// <summary>
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/// 从DataReceived扫描枪发送条码到处理程序
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/// BarCode(string barCode)
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/// </summary>
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/// <param name="barCode"></param>
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public delegate void BarCodeInvoke(string barCode);
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/// <summary>
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/// BarCode(string barCode)
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/// 从DataReceived扫描枪发送条码到处理程序
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/// </summary>
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BarCodeInvoke barCodeInvoke;
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/// <summary>
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/// 当前扫描枪类型
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/// 1:手持；2：固定
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/// </summary>
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string ScannerType_Current = "1";
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//手持扫描枪
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private System.IO.Ports.SerialPort serialPort1 = new SerialPort();
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/// <summary>
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/// 初始化COM通讯口
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/// </summary>
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public void SetCOM()
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{
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try
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{
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//首选扫描枪
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barCodeInvoke = new BarCodeInvoke(BarCode);
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SetCOM1();
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}
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catch (Exception err)
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{
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// ApplicationLog.WriteLog(err, err.Message);
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}
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}
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/// <summary>
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/// 初始化COM通讯口
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/// </summary>
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public void SetCOM1()
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{
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try
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{
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//if (ApplicationConfig.PortName.Length < 3)
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//{
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// return;
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//}
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serialPort1.PortName = PortName; //端口号
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serialPort1.BaudRate = BaudRate; //比特率，默认为9600
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serialPort1.Parity = Parity.None;//奇偶校验
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serialPort1.StopBits = StopBits.One;//停止位
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serialPort1.ReadTimeout = ReadTimeout; //读超时，即在1000内未读到数据就引起超时异常
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serialPort1.DtrEnable = true;
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serialPort1.DataReceived += new SerialDataReceivedEventHandler(serialPort1_DataReceived);
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OpenSerialPort();
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}
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catch (Exception err)
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{
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//ApplicationLog.WriteLog(err, err.Message);
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}
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finally
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{
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}
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}
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/// <summary>
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/// 关闭扫描枪
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/// </summary>
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private void OpenSerialPortAll()
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{
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SetCOM1();
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}
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/// <summary>
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/// 打开扫描枪
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/// </summary>
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private bool OpenSerialPort()
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{
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try
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{
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//if (ApplicationConfig.PortName.Length < 4)
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//{
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// return true;
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//}
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if (serialPort1 == null) return true;
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if (!serialPort1.IsOpen)
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{
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serialPort1.Open();
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SerialPort_Closing = false;
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}
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return true;
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}
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catch (Exception err)
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{
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//ApplicationLog.WriteLog(err, err.Message);
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return false;
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}
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}
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/// <summary>
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/// 关闭扫描枪
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/// </summary>
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private bool CloseSerialPort()
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{
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try
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{
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//if (ApplicationConfig.PortName.Length < 4)
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//{
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// return true;
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//}
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if (serialPort1 == null) return true;
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//根据当前串口对象，来判断操作
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if (serialPort1.IsOpen)
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{
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SerialPort_Closing = true;
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while (SerialPort_Listening) Application.DoEvents();
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serialPort1.Close();
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}
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return true;
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}
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catch (Exception err)
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{
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//ApplicationLog.WriteLog(err, "CloseSerialPort");
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return false;
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}
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}
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/// <summary>
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/// 关闭扫描枪
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/// </summary>
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private void CloseSerialPortAll()
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{
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CloseSerialPort();
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}
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/// <summary>
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/// 是否没有执行完invoke相关操作
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/// </summary>
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private bool SerialPort_Listening = false;
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/// <summary>
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/// 是否正在关闭串口，执行Application.DoEvents，
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/// </summary>
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private bool SerialPort_Closing = false;
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/// <summary>
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/// 处理手持扫描枪
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/// 对于总线缸盖上线工位，扫描枪是固定扫描枪。（F102）
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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void serialPort1_DataReceived(object sender, SerialDataReceivedEventArgs e)
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{
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//byte[] readBuf;
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//int HowTime = ApplicationConfig.HowTime;
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//int ByteTime = ApplicationConfig.ByteTime;
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string barCode;
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//获取或设置一个值，该值在串行通信过程中启用数据终端就绪 (DTR) 信号。
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//如果为 true，则启用数据终端就绪 (DTR)；否则为 false。默认为 false。
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bool DtrEnable = serialPort1.DtrEnable;
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//如果已将数据设置就绪信号发送到该端口，则为 true；否则为 false。
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bool DsrHolding = serialPort1.DsrHolding;
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//如果端口处于中断状态，则为 true；否则为 false。
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bool BreakState = serialPort1.BreakState; ;
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if (SerialPort_Closing) return;
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//如果正在关闭，忽略操作，直接返回， 尽快的完成串口监听线程的一次循环
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try
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{
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//设置标记，说明我已经开始处理数据，一会儿要使用系统UI的。
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SerialPort_Listening = true;
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//20110225 zhangji
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//获取扫描枪信息时加延时，否则可能无法完全读取扫描的信息
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Thread.Sleep(200);
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int n = serialPort1.BytesToRead;
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byte[] buf = new byte[n];
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//声明一个临时数组存储当前来的串口数据
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serialPort1.Read(buf, 0, n);
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n = n - ScannerTrim;
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barCode = Encoding.UTF8.GetString(buf, 0, n);
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BeginInvoke(barCodeInvoke, new Object[] { barCode });
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}
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catch (Exception err)
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{
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barCode = "";
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//ApplicationLog.WriteLog(err, err.Message);
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}
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finally
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{
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//清空扫描枪缓冲区
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serialPort1.DiscardInBuffer();
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SerialPort_Listening = false;//我用完了，ui可以关闭串口了。
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//最后用完了先关闭串口，然后再打开串口
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CloseSerialPort();
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OpenSerialPort();
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}
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}
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/// <summary>
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/// 字符数组转字符串16进制
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/// </summary>
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/// <param name="InBytes"> 二进制字节</param>
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/// <returns>类似"01 02 0F"</returns>
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public static string ByteToString(byte[] InBytes)
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{
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string StringOut = "";
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foreach (byte InByte in InBytes)
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{
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StringOut = StringOut + String.Format("{0:X2}", InByte) + " ";
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}
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return StringOut.Trim();
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}
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/// <summary>
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/// strhex 转字节数组
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/// </summary>
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/// <param name="InString">类似"01 02 0F" 用空格分开的 </param>
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/// <returns></returns>
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public static byte[] StringToByte_Int(string InString)
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{
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string[] ByteStrings;
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ByteStrings = InString.Split("|".ToCharArray());
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byte[] ByteOut;
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ByteOut = new byte[ByteStrings.Length];
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try
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{
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for (int i = 0; i <= ByteStrings.Length - 1; i++)
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{
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ByteOut[i] = byte.Parse(ByteStrings[i]);
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}
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}
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catch (Exception err)
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{
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//ApplicationLog.WriteLog(err, err.Message);
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}
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return ByteOut;
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}
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/// <summary>
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/// strhex 转字节数组
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/// </summary>
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/// <param name="InString">类似"01 02 0F" 用空格分开的 </param>
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/// <returns></returns>
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public static byte[] StringToByte(string InString)
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{
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string[] ByteStrings;
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ByteStrings = InString.Split(" ".ToCharArray());
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byte[] ByteOut;
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ByteOut = new byte[ByteStrings.Length];
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for (int i = 0; i <= ByteStrings.Length - 1; i++)
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{
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ByteOut[i] = byte.Parse(ByteStrings[i], System.Globalization.NumberStyles.HexNumber);
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}
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return ByteOut;
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}
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/// <summary>
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/// strhex 转字节数组
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/// </summary>
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/// <param name="InString">类似"01 02 0F" 中间无空格</param>
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/// <returns></returns>
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public static byte[] StringToByte_2(string InString)
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{
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byte[] ByteOut;
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InString = InString.Replace(" ", "");
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try
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{
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string[] ByteStrings = new string[InString.Length / 2];
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int j = 0;
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for (int i = 0; i < ByteStrings.Length; i++)
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{
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ByteStrings[i] = InString.Substring(j, 2);
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j += 2;
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}
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ByteOut = new byte[ByteStrings.Length];
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for (int i = 0; i <= ByteStrings.Length - 1; i++)
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{
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ByteOut[i] = byte.Parse(ByteStrings[i], System.Globalization.NumberStyles.HexNumber);
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}
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}
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catch (Exception ex)
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{
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throw new Exception(ex.Message);
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}
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return ByteOut;
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}
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/// <summary>
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/// 字符串 转16进制字符串
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/// </summary>
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/// <param name="InString">unico</param>
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/// <returns>类似“01 0f”</returns>
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public static string Str_To_0X(string InString)
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{
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return ByteToString(UnicodeEncoding.Default.GetBytes(InString));
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}
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}
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}
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